/* Tencent is pleased to support the open source community by making Hippy available.
 * Copyright (C) 2018 THL A29 Limited, a Tencent company. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.tencent.renderer.component.text;

import android.annotation.TargetApi;
import android.os.Build;
import android.text.TextPaint;
import android.text.style.MetricAffectingSpan;

import androidx.annotation.NonNull;

public class TextLetterSpacingSpan extends MetricAffectingSpan {

    private final float mSpace;

    public TextLetterSpacingSpan(float space) {
        mSpace = space;
    }

    @Override
    public void updateMeasureState(@NonNull TextPaint textPaint) {
        if (!Float.isNaN(mSpace)) {
            textPaint.setLetterSpacing(mSpace / textPaint.getTextSize());
        }
    }

    @Override
    public void updateDrawState(@NonNull TextPaint textPaint) {
        if (!Float.isNaN(mSpace)) {
            textPaint.setLetterSpacing(mSpace / textPaint.getTextSize());
        }
    }
}
